name="$1"

url="https://ipv6.he.net/certification/register.php?ajax=true"

cookie="referer=Direct+Access; PHPSESSID=0; _gcl_au=1"

post="field=user_name&value=$name"

curl "$url" -b "$cookie" -d "$post" -s -m 3 --retry 1024 -o tmp_ipv6he

result="$(cat tmp_ipv6he )"

if [ -z "$result" ]

echo "$name:未注册"

else

echo "$name:已注册"

rm -f tmp_ipv6he